[Discuss-gnuradio] Error building gnuradio 3.4.2 on ubuntu 12.04 (usrp_prims.cc file error)

Hello all, I am trying to build gnuradio 3.4.2 on ubuntu 12.04 and I am getting an error running the make -j 8 command. It is a swig problem, according to this discussion in the archives: "From: Tom Rondeau Subject:Re: [Discuss-gnuradio] Build error GNU Radio release v3.3.1git-971-ga

[Discuss-gnuradio] error when running make install

Hello all, I get this error when I run make install for installing gnuradio into my ubuntu system: /home/imran/Desktop/gnuradio/gnuradio-3.4.1/gnuradio-core/src/lib/.libs/libgnuradio-core.so: undefined reference to `boost::filesystem3::detail::create_directory(boost::filesystem3::path const&,